How long we're you away and how long have you had this boa? Have you known it to ever rub its face on the enclosure before? Boa's will do this out of stress, to escape something they don't like, or RI irritation.

If the caretaker won't give you any clues as to how it happened you may be out of luck. Is there anything rough in the enclosure that could have done this? A latch maybe?

It doesn't look bad and should go away with a couple sheds but I'd try to get some info out of the caretaker. Did they move it? Change heat settings? Feed it? Water it? Anything different at all?


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*Factoid: "There are no such things as Hogg Island or Columbian boas"